html,
body,
div,
span,
applet,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
a,
abbr,
acronym,
address,
big,
cite,
code,
del,
dfn,
em,
img,
ins,
kbd,
q,
s,
samp,
small,
strike,
strong,
sub,
sup,
tt,
var,
b,
u,
i,
center,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
article,
aside,
canvas,
details,
embed,
figure,
figcaption,
footer,
header,
hgroup,
menu,
nav,
output,
ruby,
section,
summary,
time,
mark,
audio,
video {
  margin: 0;
  padding: 0;
  border: 0;
  font: inherit;
  font-size: 100%;
  vertical-align: baseline;
}

/* HTML5 display-role reset for older browsers */
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
  display: block;
}

body {
  line-height: 1.5;
  font-family: Arial, 'Microsoft YaHei';
}

ol,
ul {
  list-style: none;
}

blockquote,
q {
  quotes: none;
}

blockquote:before,
blockquote:after,
q:before,
q:after {
  content: '';
  content: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

fieldset,
img {
  border: 0;
}

p {
  line-height: inherit;
}

a {
  color: inherit;
  text-decoration: none;
  transition: 0.5s;
}

a:hover {
  text-decoration: none;
}

a:focus,
a:hover,
a {
  outline: none;
}

a,
button,
input,
textarea,
li {
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  -webkit-tap-highlight-color: transparent;
}

.L {
  float: left;
}

.R {
  float: right;
}

.H {
  display: none;
}

.h10 {
  height: 10px;
  overflow: hidden;
  clear: both;
}

.h15 {
  height: 15px;
  overflow: hidden;
  clear: both;
}

.h20 {
  height: 20px;
  overflow: hidden;
  clear: both;
}

.H30 {
  height: 30px;
}

.H40 {
  height: 40px;
}

.H50 {
  height: 50px;
}

.H60 {
  height: 60px;
}


.mt10 {
  margin-top: 10px;
}

.mt15 {
  margin-top: 15px;
}

.mt20 {
  margin-top: 20px;
}

.mt30 {
  margin-top: 30px;
}

.mt40 {
  margin-top: 40px;
}

.mt50 {
  margin-top: 50px;
}

.mt60 {
  margin-top: 60px;
}